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Pololu 2128 2981 A4988 Stepper Motor Driver Carrier, Black Edition Arduino CNC Shield Order your USB Inline Voltage Current Capacity Order your USB Inline Voltage Current Capacity Meter today and take control of your power diagnostics reducing vibration and delivering cleaner Control motor direction by setting the DIRECTION pin high for clockwise rotation or low for counterclockwise operation before applying step pulses Eighth step and 1 16 step microstepping modes deliver the smoothest motion with minimal vibration but reduce available torque by approximately 70% and increase current consumption
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